Home / 497,882.08-687,135.32-283,054.29

Finding the Fourth Proportional to 497,882.08, 687,135.32 and 283,054.29

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Solution

The fourth proportional to 497,882.08, 687,135.32 and 283,054.29 is: 390,647.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,882.08 : 687,135.32 = 283,054.29 : x
  2. Step 2: Convert to fraction form
    497,882.08/687,135.32 = 283,054.29/x
  3. Step 3: Cross multiply
    497,882.08x = 687,135.32 × 283,054.29
  4. Step 4: Simplify right side
    497,882.08x = 194,496,600,136.52
  5. Step 5: Solve for x
    x = 194,496,600,136.52/497,882.08
  6. Step 6: Final answer
    x = 390,647.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.